CC

Chi-Han Cheng

YM Yuan Mei: 52 patents #2 of 9Top 25%
📍 Zhumaoya, IL: #1 of 1 inventorsTop 100%
Overall (All Time): #28,422 of 4,157,543Top 1%
71
Patents All Time

Issued Patents All Time

Showing 26–50 of 71 patents

Patent #TitleCo-InventorsDate
D823142 Timer 2018-07-17
D799007 Sprinkler gun 2017-10-03
D792945 Sprinkler gun 2017-07-25
D792944 Sprinkler gun 2017-07-25
D772083 Timer Richard King Boyle 2016-11-22
D770918 Timer 2016-11-08
D769742 Timer Richard King Boyle 2016-10-25
D764951 Timer 2016-08-30
D764950 Timer 2016-08-30
D736350 Spray gun 2015-08-11
9101098 Water timer 2015-08-11
9038665 Irrigation system oriented valve system 2015-05-26
8662107 Switch device for water conduit valve 2014-03-04
8528841 Spray switch for spray gun 2013-09-10
8500087 Magnetic control valve 2013-08-06
8123151 Sprinkling gun structure 2012-02-28
8087597 Spray gun structure 2012-01-03
D632764 Water pipe connector with quick-release 2011-02-15
D616063 Sprinkler 2010-05-18
D615615 Water spray gun 2010-05-11
D615610 Sprinkler 2010-05-11
D615611 Sprinkler 2010-05-11
D615612 Sprinkler 2010-05-11
D615153 Sprinkler 2010-05-04
D615154 Sprinkler 2010-05-04